Safety and efficacy of abobotulinumtoxinA for hemiparesis in adults with upper limb spasticity after stroke or traumatic brain injury: a double-blind randomised controlled trial. Lancet Neurol. 2015 Oct;14(10):992-1001. doi: 10.1016/S1474-4422(15)00216-1.
It usually consists of a court of final appeal (called the  Supreme court  or  Constitutional court ), together with lower courts. In many jurisdictions the judicial branch has the power to change laws through the process of judicial review.
The federal judiciary, which includes the Supreme Court as well as the district and circuit courts, is one of three branches of the federal government. The judiciary has played a key role in American history and remains a powerful voice in resolving contemporary controversies.